1812R-822H

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Fixed Inductors

An inductor is an electrical component used to store energy in the form of an electric field, usually in the form of a coil of wire. Inductors can have fixed inductance values or variable inductance values, depending on the type of inductor used. Such inductors are widely used in various types of electronic circuits. The 1812R-822H is a type of fixed inductor commonly used in power supply and signal conditioning applications.

Application Field

The 1812R-822H Fixed Inductors is typically used in high frequency, low noise applications. This type of inductor is often used in power supply circuits as it can provide high frequency filtering and improve noise performance. It is also suitable for signal conditioning applications such as signal conditioning of high frequency signals or filtering AC signals. Additionally, it can be used for C-rate testing in AC power supplies. The 1812R-822H Fixed Inductors is also utilized in other power application areas such as RF power, DC-DC conversion, high voltage isolation, and adjustable voltage regulation.

Working Principle

The working principle of a fixed inductor is based on the law of induction. According to this law, an electric current flowing through a circuit will induce a magnetizing force in the material present in the circuit. This magnetizing force will induce an electromagnetic field around the material, which in turn will cause a voltage to be induced in the material. This induced voltage is directly proportional to the rate of change of the magnetizing force and is known as the inductance of the inductor. Hence, a fixed inductor will have an inductance that is determined by the relative number of turns of the coil and the material the coil is composed of.

The 1812R-822H Fixed Inductors is designed to have a fixed inductance value with a tolerance of 10%. This value is determined by the number of turns in the coil, the core material used, and its effective inductance area. This inductor is designed to operate at frequencies up to 1 MHz with a maximum DC resistance of 5 ohms and a low-level resistance of 6 ohms. The inductance value can be varied depending on the application. It is also designed to operate at temperatures ranging from -40°C to +125°C.

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